Hanna PCA320 Free & Total Chlorine, pH and Temperature Analyser

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Product Description

Hanna PCA320 Free & Total Chlorine, pH and Temperature Analyser

Chlorine, pH, ORP and Temperature analysers

The PCA family are process analysers for the continuous measurement of chlorine and temperature. Also, pH (PCA320, PCA330, PCA340) and ORP where specified. The analysers feature built in data logging, RS 485 digital output, dosing relays, and alarm relays packaged in a wall mount Nema 4 x enclosure. The PCA340 also features two analog outputs.

The PCA300 family uses DPD Colorimetric method in which N, N-Diethyl-p-phenylenediamine indicator and a buffer are mixed together with the sample. The resulting chemical reaction causes a magenta colour to form in the presence of chlorine. The colour intensity is proportional to the concentration. The colour intensity is measured photometrically (light source at a specific wavelength and a photodetector) and converted to chlorine concentration, in mg/L, which is displayed on the front panel. The sampling interval for chlorine measurement is adjustable from 3 to 90 minutes.

The analysers have a dosing relay for the addition of chlorine by a dosing pump or chlorine generator when a reading is below the programmable set point. The technology used by this family for chlorine measurement is the same as that found in portable and benchtop colorimeters providing for consistent results when performing process verification with one of those types of meters.

The PCA320, 330 and 340 also utilise the HI-1005 amplified pH electrode with a built in pt100 temperature sensor and matching pin to measure both pH and temperature. The built in amplifier and matching pin provide for exceptional performance against any electrical noise generated by pumps and motors. These analysers have a programmable dosing relay for the adjustment of pH. The dosing relay can be activated by either on/off or proportional control.

The PCA340 features two selectable 0.20 or 4-20 mA signal output that are scalable for the transmission of readings to external recording devices. The analog outputs can also be set for dosing and used with dosing pumps that accept a 4-20mA analog input. The analog outputs can be used for any of the three measured parameters.

Through the system setup menu, users have the ability to enable or disable the low and high level of alarms for all parameters. The PCA family also offers overdosing protection that generates an alarm if something within the system is not working properly. The system will stop processes until the user corrects the error.

Backlit LCD Display

The PCA family has a backlit display that is easy to read from a distance and allows for up to three parameters to be displayed at a time.

Nema 4x protection

The analysers are enclosed in waterproof casing for superior protection against the elements. The front door of the case has a window for the measurement display while also shielding the DPD reagents from UV light to prevent premature degradation.

DPD Chlorine Measurement Method

The DPD colorimetric method is one of the most common and reliable methods to measure chlorine. The PCA family can use either free or total chlorine reagents and allow for 16,000 measurements to be performed.

Reagent Reminder

The PCA family has a reagent reminder feature to alert the user when the reagents are running low. When the reagents are changed, the counter is reset and the meter automatically tracks the number of readings performed.

Colorimeter Diagnostics

Advanced diagnostics allow for easy troubleshooting of the colorimeter. In the setup menu it is possible to select an option that allows the user to determine the difference between a dark read (LED off) and blank read (LED on). These analysers also automatically perform this check in order to determine when to alert the user that the sample cell needs to be cleaned.

Amplified pH/Temperature, probe (PCA320, PCA330 and PCA340)

An integrated pt100 temperature sensor allows for automatic temperature compensation of pH measurements and allows for monitoring temperature as well. The built in amplifier and matching pin provides for exceptional performance where other probes fail when placed in line with pumps and motors.

Data logging

The analysers can store up to 3500 readings (at least 7 days worth of records when set to a 3 minute sampling interval) that can be reviewed or downloaded to a Windows compatible PC using the HI-92500 software and the RS485 serial port. Logged records contain the date, time and reading of all parameters measured along with any alarm status.

GLP Data

The GLP data allows for the user to review the data and time for the last chlorine and pH calibration.

Digital RS485 output

The analysers have a RS485 digital output that allows for connection to a Windows compatible PC running the HI-925000 software. The software allows for remote monitoring, review of logged data, events and errors, and executing setup options.

Warning messages

Error messages are displayed when the reagents are expired or low and if the colorimeter cell needs to be cleaned.

Two analog outputs (PCA340)

The PCA340 features two selectable 0-20 or 4-20 mA signal output that are scalable for the transmission of readings to external recording devices. The analog outputs can also be set for dosing and used with dosing pumps that accept a 4-20 mA analog input. The analog outputs can be used for any of the three measured parameters.

Two dosing relays

The dosing relays of the analysers can be connected to a pH and/or chlorine dosing pumps. The chlorine relays are proportionally controlled, while the pH relay can be set for on/off or proportional control. The proportional control offers very fine control of doing to prevent any overshoot and wastage of chemicals.

Alarm relay

One SPDT alarm relay is provided that can be activated by adjustable upper and lower chlorine, pH and temperature limits.

Error relay

One SPDT error relay is provided and is activated when an error is present, including a problem with the colorimeter – such as when the reagent counter has reached zero, or when a reading is outside the range for a measured parameter.

Key features

  • Backlit LCD Display
  • Nema 4x protection
  • DPD Chlorine measurement method
  • Colorimeter diagnostics
  • Reagent reminder
  • Amplified pH/temperature probe
  • Data logging of up to 3500 measurements
  • GLP data for review of calibration information
  • Digital RS485 output
  • Two analog outputs for recording or dosing devices (PCA340)
  • Two dosing relays
  • SPDT alarm relay
  • SPDT system error relay
  • Warning messages
  • Each PCA 300 series model is supplied with reagent bottles (2), reagent caps (2), 1 DPD compound powder, tubing and instructions

Backlit LCD Display – The PCA family has a backlit display that is easy to read from a distance and allows for up to three parameters to be displayed at a time.

Error relay – One SPDT error relay is provided and is activated when an error is present, including a problem with the colorimeter – such as when the reagent counter has reached zero, or when a reading is outside the range for a measured parameter.

. . . . More about chlorine

Commercial chlorine for disinfection may be available as a gas (Cl2), a liquid like sodium hypochlorite or bleach (NaOCl), or in a solid state like calcium hypochlorite, chloro-hydantoins or chloro-cyanuric acid compounds. These compounds, once dissolved in water, do establish equilibrium between the hypochlorous acid (HOCl) and the hypochlorite ions (OCl). Although both forms are considered free chlorine, it is the hypochlorous acid that provides the strongest disinfecting and oxidising characteristics of chlorine solutions.

The amount of hypochlorous acid in chlorinated water depends on the pH value of the solution. Changes in pH value will affect the HOCl equilibrium in relation to the hydrogen and hypochlorite ion. HOCl decreases and OCl increases as pH increases. At a low pH, almost all the free chlorine is in the molecular form HOCl and at a pH of around 7.5, the ratio between HOCl and OCl is 50:50.

Since the ionic form OCl is a slow acting sanitiser while the molecular HOCl is a fast acting, it is important to regularly measure the pH. As a general rule, a pH of about 7.2 is recommended to maintain fast acting disinfection conditions.

Specifications Hanna PCA320 Free & Total Chlorine, pH and Temperature Analyser

FREE AND TOTAL CHLORINE PCA310, PCA320, PCA330 & PCA340
Range 0.00 to 5.00 mg/L (ppm)
Resolution 0.01 mg/L (ppm)
Accuracy ±8% or ±0.05 mg/L whichever is greater
pH PCA320, PCA330 & PCA340 only
Range 0.00 to 14.00pH
Resolution 0.01pH
Accuracy ±0.05pH
ORP PCA330 only
Range 0 to 2000 mV
Resolution 1 mV
Accuracy ±1 mV
TEMPERATURE PCA320, PCA330 & PCA340 only
Range 5°C to 75.0°C
Resolution 0.1°C
Accuracy ±0.5°C
ANALOGUE OUTPUT – PCA340 only (2) 4-20mA, 0-20mA for recorder or dosing

ADDITIONAL SPECIFICATIONS:

Chlorine Calibration one-point process calibration
Chlorine Sampling Rate Adjustable from 3 to 90 minutes
Chlorine Dosage proportional
Chlorine Delta Selectable from 0.1 to 5 mg/L (ppm)
pH Calibration Automatic one or two points; one point process calibration
pH Sampling Rate Adjustable from 3 to 120 seconds
pH Dosing ON/OFF or proportional, relay or 4-20mA output
pH Delta Selectable from 0.1 to 2pH (hysteresis adjustable from 0.05 to 2pH
Recorder output – PCA310, PCA320 & PCA330 4-20mA, 0-20mA
PC Connectivity RS485 port, galvanically isolated
Baud Rate 1200, 2400, 4800, 9600 bps
Data logging up to 3500 data points
Alarm relay SPDT contact with 5A, 230V resistive load
Dosing relay SPDT contact with 5A, 230V resistive load
System error SPDT contact with 5A, 230V resistive load
Inlet pressure 0.07 to 4 bar with no external pressure regulator (for pressure exceeding four bar an external pressure regulator is required)
Sample flow 100 to 300 mL/min
Sample temperature 5 to 40°C
Sample inlet/outlet connection 12mm male NPT fitting
Drain connection 10mm barb
Power supply 230 VAC ±10%
Enclosure NEMA-4X Standard, moulded fiberglass polyester with transparent Lexan window
Dimensions/weight 318 x 267 x 159mm/5kg without reagents
PCA310 Free and total chlorine analyser/controller (230V)
PCA320 Free and total chlorine analyser/control, pH control, temperature (230V)
PCA330 Free and total chlorine analyser/control, pH control, ORP monitoring, temperature (230V)
PCA340 Free and total chlorine analyser/control, pH control, temperature with dual analogue outputs (230V)
ADDITIONAL PARTS
HI-70473 PCA tubing kit, pressure regulator to drain (2). Each kit includes: transparent Tygon tubes 86L x 3.2ID mm (Length x Internal Diameter) and 105 x 9.5 mm
HI-70474 PCA peristaltic pump tubing kit (6). Each kit includes: non- transparent C-flex tubes 55L x 0.8ID mm
HI-70475 PCA peristaltic pump tubing kit (2). Each kit includes: non- transparent C-flex tubes 55L x 0.8ID mm
HI-70476 PCA reagent bottle tubing kit (6). Each kit includes: non- transparent C-flex tubes 155L x 0.8ID mm
HI-70478 PCA tubing kit, bottle to pump (6 ). Each kit includes: non- transparent C-flex tube 150L x 0.8ID mm
HI-70479 PCA tubing kit, pump to Y strainer (6 pcs). Each kit includes: non-transparent C-flex tube 150L x 0.8ID mm
HI-70482 PCA filters. The kit includes 0.5 µm and 50 µm filters
HI-70496 Replacement filter, 0.5 µm
HI-70497 Replacement filter, 50 µm
HI-70484 PCA complete tubing kit. The kit includes: non-transparent C-flex tubes 150L x 0.8ID (4 pcs), non-transparent C-flex tubes 55L x 0.8ID (2 pcs), non-transparent C-flex tubes 50L x 0.8ID and Y strainer
HI-70485 PCA stirrer motor
HI-70486 PCA Stirring bar
HI-704871 Measuring cell
HI-70488 Electrovalve 24VAC/60Hz
HI-70489 Electrovalve 24VAC/50Hz
HI-70492 Electrode holder (PCA330)
HI-70493 Closing cap for electrode holder
ELECTRODES
HI-1005 Amplified pH electrode with matching pin and Pt100 (PCA320/330 only)
HI-2008 Amplified ORP electrode with Matching Pin (PCA 330 only)
REAGENT SETS
HI-70481 Total Chlorine Reagent set for PCA buffer citrate, 500ml
HI-70430 Free chlorine reagents set for PCA (the most stable), recommended for long term measurements, 500 mL (2) + 6 g powder
HI-70480 Free chlorine reagents set for PCA, recommended for short term measurements, 500 mL (2) + 5 sachets (DPD)
HI-70490 Free chlorine reagents set for PCA, 500 mL (2) + 5 sachets (DPD)
HI-70452 DPD reagent, 5 sachets
SOLUTION
HI-70460 Total chlorine indicator solution for PCA, 500ml – (After addition of 5 powder sachets (HI-70452-0))
HI-70461 Total chlorine buffer solution for PCA, 500ml
HI-70450 Free chlorine indicator solution for PCA, 500ml – (After addition of 5 powder sachets (HI-70452-0))
HI-70451 Free chlorine buffer solution for PCA, 500ml
HI-7004L pH 4.01 buffer solution, 500ml
HI-7006L pH 6.86 buffer solution, 500ml
HI-7007L pH 7.01 buffer solution, 500ml
HI-7009L pH 9.18 buffer solution, 500ml
HI-7010L pH 10.01 buffer solution, 500ml
HI-7020L 200-275mV buffer solution, 500ml
HI-7091L Pretreatment reducing solution, 500ml
HI-7092L Pretreatment oxidizing solution, 500ml
HI-70300L Storage solution, 500ml
HI-7082 3.5M KCL electrolyte, 30ml
HI-7061L Electrode cleaning solution, 500ml
SOFTWARE
HI-92500 Windows® compatible software

 

 

 

Jual Hanna PCA320 Free & Total Chlorine, pH and Temperature Analyser dengan harga murah dan berkualitas bergaransi tentunya. dapat di kirim ke seluruh wilayah Indonesia.

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